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Long Formal Party Dresses & Formal Prom Gowns

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830 Item

GLS by Gloria GL3410 LilacGLS by Gloria GL3410 Lilac
GLS by Gloria GL3410 Sale priceCHF 281 Regular priceCHF 562
Jessica Angel 2633 RedJessica Angel 2633 Red
Jessica Angel 2633 Sale priceCHF 399
Elizabeth K GL3125 EmeraldElizabeth K GL3125 Emerald
Elizabeth K GL3125 Sale priceCHF 197 Regular priceCHF 394
Portia and Scarlett PS25196 BluePortia and Scarlett PS25196 Blue
Portia and Scarlett PS25196 Sale priceCHF 458
Jessica Angel 2552 BlackJessica Angel 2552 Black
Jessica Angel 2552 Sale priceCHF 454
La Femme 32897 BronzeLa Femme 32897 Black
La Femme 32897 Sale priceCHF 294
Jessica Angel 2438 RoyalJessica Angel 2438 Royal
Jessica Angel 2438 Sale priceCHF 454
Jovani 23077 in BlueJovani 23077 in Blue
Jovani 23077 Sale priceCHF 568
Portia and Scarlett PS25269Portia and Scarlett PS25269 Blue
Portia and Scarlett PS25269 Sale priceCHF 535
Atria 6811HAtria 6811H
Atria 6811H Sale priceCHF 398
Jessica Angel 513 Beet RedJessica Angel 513 Beet Red
Jessica Angel 513 Sale priceCHF 390
Jessica Angel 2517 Neon PinkJessica Angel 2517 Neon Pink
Jessica Angel 2517 Sale priceCHF 399
GLS by Gloria GL3230 Deep GreenGLS by Gloria GL3230 Deep Green
GLS by Gloria GL3230 Sale priceCHF 244
Ladivine CC2253 Ocean BlueLadivine CC2253 Sage
Ladivine CC2253 Sale priceCHF 138 Regular priceCHF 283
Jovani 23010Jovani 23010
Jovani 23010 Sale priceCHF 524
Clarisse 811139 Steel BlueClarisse 811139 Steel Blue
Clarisse 811139 Sale priceCHF 319
Clarisse 811101 BlackClarisse 811101 Black
Clarisse 811101 Sale priceCHF 454
SCALA 60179 MermaidSCALA 60179 Mermaid
SCALA 60179 Sale priceCHF 461
GLS by Gloria GL3259 ChampagneGLS by Gloria GL3259 Champagne
GLS by Gloria GL3259 Sale priceCHF 261 Regular priceCHF 522
La Femme 32791 Dark BerryLa Femme 32791 Black
La Femme 32791 Sale priceCHF 370
Portia and Scarlett PS25273 Gold
Portia and Scarlett PS25273 Sale priceCHF 611
May Queen RQ8140 Navy MultiMay Queen RQ8140 Navy Multi
May Queen RQ8140 Sale priceCHF 135
Mac Duggal 2239 Slate BlueMac Duggal 2239 Slate Blue
Mac Duggal 2239 Sale priceCHF 737
Clarisse 811137 ChampagneClarisse 811137 Champagne
Clarisse 811137 Sale priceCHF 454
Elizabeth K GL3533 Off WhiteElizabeth K GL3533 Off White
Elizabeth K GL3533 Sale priceCHF 757
GLS by Gloria GL3333 FuchsiaGLS by Gloria GL3333 Fuchsia
GLS by Gloria GL3333 Sale priceCHF 241 Regular priceCHF 481
GLS by Gloria GL3117 BlackGLS by Gloria GL3117 Black
GLS by Gloria GL3117 Sale priceCHF 301 Regular priceCHF 601
Jessica Angel 2401 BubblegumJessica Angel 2401 Bubblegum
Jessica Angel 2401 Sale priceCHF 454
Jessica Angel 2458 RedJessica Angel 2458 Red
Jessica Angel 2458 Sale priceCHF 510
Atria 6826HAtria 6826H
Atria 6826H Sale priceCHF 413
Portia and Scarlett PS25289 Hot Pink SilverPortia and Scarlett PS25289
Portia and Scarlett PS25289 Sale priceCHF 535
Jessica Angel 2521 Sky BlueJessica Angel 2521 Sky Blue
Jessica Angel 2521 Sale priceCHF 399
Portia and Scarlett PS25262 Purple PinkPortia and Scarlett PS25262 Purple Pink
Portia and Scarlett PS25262 Sale priceCHF 435
Jovani 24044 GreenJovani 24044 Green
Jovani 24044 Sale priceCHF 701 Regular priceCHF 721
Jessica Angel 2540 FuchsiaJessica Angel 2540 Fuchsia
Jessica Angel 2540 Sale priceCHF 788
Jessica Angel 2375 FuchsiaJessica Angel 2375 Fuchsia
Jessica Angel 2375 Sale priceCHF 510
Alyce Paris 61862 LilacAlyce Paris 61862 Lilac
Alyce Paris 61862 Sale priceCHF 323 Regular priceCHF 370
Andrea and Leo A1260 SageAndrea and Leo A1260 Sage
Andrea and Leo A1260 Sale priceCHF 195 Regular priceCHF 443
Mac Duggal 93959 Rose GoldMac Duggal 93959 Rose Gold
Mac Duggal 93959 Sale priceCHF 409
Atria 6841HAtria 6841H
Atria 6841H Sale priceCHF 413
Faviana S10824 PinkFaviana S10824 Pink
Faviana S10824 Sale priceCHF 278
Jovani 09550 Grey SilverJovani 09550 Grey Silver
Jovani 09550 Sale priceCHF 709
Elizabeth K GL3536 Off WhiteElizabeth K GL3536 Off White
Elizabeth K GL3536 Sale priceCHF 914
Sold outMac Duggal 65219 BlackMac Duggal 65219 Black
Mac Duggal 65219 Sale priceCHF 448 Regular priceCHF 851
Clarisse 811224 BlackClarisse 811224 Black
Clarisse 811224 Sale priceCHF 491
La Femme 32555 BronzeLa Femme 32555 Bronze
La Femme 32555 Sale priceCHF 294
Dancing Queen 4343Dancing Queen 4343
Dancing Queen 4343 Sale priceCHF 252
La Femme 32932 Dark TealLa Femme 32932 Royal Blue
La Femme 32932 Sale priceCHF 261

2025 Long Formal Party Dresses & Formal Prom Gowns
Check out our 2025 formal evening dress collection for your next prom, military ball, black tie wedding, or any other special occasion. Formal dresses are generally long and have elegant detailing such as sequin beading, embroidery, or flowy metallic. For an elegant and chic look, try a simple long, off shoulder dress with a flowy chiffon skirt. If you are looking for something sleek and sexy, try a fitted evening dress with a high slit and open back or a mermaid skirt with a plunging v neckline. If you need a sensational gown or a winter formal dress for your special occasion then browse through our collection and find your favorite dress from one of our designers like La Femme, Mac Duggal, JOVANI, Mayqueen, LaDivine and so many more! We also carry long sleeve elegant formal dresses for your next black tie event, gala, or social event. From a-line evening gowns, fit n flare, long sleeve and strapless ones, to mermaid and formal long dresses, and the classic black evening gowns, its all at MarlasFashions.com. Captivate the room in a stunning formal dress with a sweetheart neckline or off shoulder neckline in a chiffon or sexy bodycon, embroidered with sequins and jewels.

Tips on How to Find the Perfect Long Formal Dress
Here are a some tips on how to select a beautiful long formal for your next event.

Consider the Season & Venue - In the spring (outdoor settings and during daytime events): long party dresses in pastels and other bright hues look best. For evening events, celebrations in the winter, and parties at formal venues, bold colors or rich jewel tones are go-to shades for long formal dresses.

Get Inspired – Start getting ideas from Instagram and Pinterest or even check out what your favorite celebrities are wearing to their formal events this season. See flattering styles that match your personality? Then shop for formal evening dresses in similar designs to find the right one for you

Decide on Fabric and Color - Choose a formal dress in your favorite color or fabric or consider your skin tone. Then you can shop for formal evening gowns in your chosen shade or look for styles in your favorite textures. Go for a chiffon material if you like movement and a romantic look. Perhaps you like the way a long formal dress in jersey fabric hugs your curves. If you like a sparkly dress, go for a sequin dress.

Can Never go Wrong with a Black Formal Dress
Keep it Classic - When in doubt, a classic black formal dress is always in style.

Follow these tips and feel confident in your formal dress!